/**
 * Copyright (c) 2010 Basil Shikin, LegoCamera Project
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.legocam.actions;

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.legocam.Camera;
import org.legocam.CameraConstants;

public class LoadSettings
	implements Runnable
{
	private final Camera camera;
	private final File file;
	
	public LoadSettings(Camera camera)
	{
		this.camera = camera;

		this.file = new File(CameraConstants.PROPERTIES_FILE);
	}

	public void run()
	{
		if ( file.exists() )
		{
			InputStream is = null;
			DataInputStream dis = null;
			try
			{
				is = new FileInputStream( file );
				dis = new DataInputStream( is );
				
				final int snapshotsLeft = dis.readInt();
				final int filmSize = dis.readInt();
				final int iso = dis.readInt();
				final boolean isBodyInstalled = dis.readInt() == 1;
				
				
				camera.setFilmProperties(filmSize, iso);
				camera.restoreCameraState(snapshotsLeft, isBodyInstalled ); 
			}
			catch (Throwable e) {}
			finally
			{
				try
				{
					if ( dis != null )  dis.close();
					if ( is != null )  is.close();
				}
				catch (IOException e) {}
			}
		}
		else
		{
			camera.setFilmProperties(24, 100 );
			camera.restoreCameraState(0, false );
		}
		
		camera.updateCameraStatus();
	}
}
